<p>Many business titans have made the trek to Trump Tower for a private audience with <a href="http://www.cnbc.com/donald-trump/" target="_blank">Donald J. Trump</a> since he was elected president, but none have made a bigger splash than Masayoshi Son, the billionaire telecommunications entrepreneur.</p>
<p>"Ladies and gentlemen, this is Masa of <a href="http://topics.nytimes.com/top/news/business/companies/softbank-corporation/index.html?inline=nyt-org" target="_self" title="More information about SOFTBANK Corporation">SoftBank</a> of Japan and he has just agreed to invest $50 billion in the U.S. and 50,000 jobs," Mr. Trump said, wrapping an arm around the beaming <a href="https://www.nytimes.com/2016/12/06/business/dealbook/donald-trump-mayayoshi-son-softbank.html" target="_self">Mr. Son </a><a href="https://www.nytimes.com/2016/12/06/business/dealbook/donald-trump-mayayoshi-son-softbank.html" target="_self">last month</a>.</p>